where <chatter
level> and <log
chatter> are integer values.The initial value for each argument is
10. Higher values will encourage XSPEC to tell the user more, lower values tell
the user less, or make XSPEC “quieter.” <chatter level> applies to the
terminal output, while <log
chatter> controls the verbosity in the log file. Currently, the
maximum chattiness is 25.Values below five should be avoided, as they tend to
make XSPEC far too obscure.Some commands may temporarily modify the chattiness,
such as the error command. A chattiness of 25 will generate a lot of
debug output.